Wireless Terminals; Wiring - Honeywell TrueSTEAM Professional Installation Manual

Installation Guide
WIrInG–GettInG started
optional add-on air proving is a configuration that allows TrueSTEAM to double-check physi-
cal air movement.
Air proving is configured through DIP 5 on TrueSTEAM. Set DIP 5 up with DIP 4 down to enable
air proving.
1. In addition to monitoring system power and fan
operation, truesteam can monitor physical air
movement via an external air proving device.
• Wire TrueSTEAM R and C to HVAC system R and C with an
air proving device in-line on C.
• Set DIP 5 up and keep DIP 4 down.
• TrueSTEAM will look for physical air movement through its
C connection prior to steam entering the duct.

WIrInG

A
B
C
D
2 4 V
2 4 V
H U M
H U M
C
G T
R
R T
G F
E X T
69-2285EFS—03
note: This image is not a complete wiring diagram.
It only depicts air proving.

Wireless terminals

A Hot
B Send signal
C Receive signal
D Common
low-Voltage terminals
24V AC output voltage
HUM Low-voltage terminals for humidity control.
C, R Inputs from HVAC system transformer.
GT, GF GT input is from thermostat G. GF output goes to HVAC
system G.
M27732
Tabs
Route wires through the raised
tabs and out the notch at the rear
of the chassis. Ensure wires are
secure and do not interfere with
assembly of cover.
M24893
Notch
10
DIP 5
R R
C C
C 1
1
2 3
2 3
2 3
NO NC
+
PI
M28688